Automatic cleaning device for air conditioner outdoor unit

By designing an automatic cleaning device inside the outdoor unit of the air conditioner, and using a rotating mounting bushing and drive gear to drive the brush device to rotate, the problems of poor external cleaning effect and frequent cleaning affecting fan blade rotation in the existing technology are solved, achieving a highly efficient and reliable filter cleaning effect.

CN223748096UActive Publication Date: 2026-01-02ANHUI SHANGTAI CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202520036160.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-01-02
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing air conditioner outdoor unit cleaning devices are not very effective at cleaning the filter screen from the outside, and frequent cleaning can affect the rotation of the fan blades, which may lead to air conditioner malfunction.

Method used

Design an automatic cleaning device that uses a rotating mounting bushing and drive gear to drive a brush device to rotate inside a protective filter screen, and combines a micro motor to achieve automatic cleaning. The brush length is adjustable to adapt to different cleaning needs.

Benefits of technology

It achieves efficient internal cleaning of the air conditioner outdoor unit filter, avoiding fan blade rotation problems caused by frequent cleaning and ensuring stable operation of the air conditioner.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic cleaning device of an air conditioner outdoor unit, which relates to the field of air conditioning equipment, and comprises an outdoor unit box body and a cooling fan device, an installation panel is arranged in the air outlet direction of the cooling fan device, a filter screen installation ring groove is arranged on the installation panel, a protective filter screen is installed in the filter screen installation ring groove, and the protective filter screen is arranged in the cooling fan device. A rotary mounting shaft sleeve concentric with the filter screen mounting ring groove is arranged on the inner side face of the mounting panel, a cleaning support device is rotationally connected into the rotary mounting shaft sleeve, a brush device is arranged on the cleaning support device and located between the cooling fan device and the protective filter screen, and the brush device makes contact with the inner side face of the protective filter screen. When the air conditioner outdoor unit works, the micro motor device synchronously operates and drives the driving gear to rotate, the driving gear drives the cleaning support device to rotate, the cleaning support device drives the brush device to circularly move on the protective filter screen, the inner side of the protective filter screen is automatically cleaned, the structure is simple and reliable, and the cleaning effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning equipment field, concretely relates to an automatic cleaning device of air conditioner outdoor unit. BACKGROUND

[0002] Air conditioner is air conditioning, which is to adjust the temperature, humidity, cleanliness and flow rate of air in a certain area or space by using various technologies and equipment to meet people's comfort requirements or different process environment requirements. The function of air conditioner outdoor unit is to cool and radiate the high-pressure high-temperature gas discharged from the indoor unit outdoors, and then the condensed refrigerant liquid is transported to the indoor unit through the capillary tube, so as to realize air circulation.

[0003] The Chinese patent with the application number CN202121199241.5 discloses a cleaning device for air conditioner outdoor unit filter screen, which comprises an air conditioner outdoor unit, a telescopic piece is rotatably arranged at the middle part of the air conditioner outdoor unit filter screen, one end of the telescopic piece is fixedly connected with the center of the fan blade of the air conditioner outdoor unit, the other end of the telescopic piece is connected with a long strip plate, a cleaning piece is detachably connected to the long strip plate, and the cleaning piece is pressed against the filter screen of the air conditioner outdoor unit. The device is directly connected with the fan blade of the air conditioner outdoor unit, and drives the cleaning piece to clean the air conditioner outdoor unit. In fact, the fan blade of the air conditioner outdoor unit mainly discharges air outward, and the dust on the filter screen is mainly concentrated on the inner side. The above-mentioned device cleans the filter screen from the outside, which greatly reduces the cleaning effect. In addition, the cleaning piece is connected with the fan blade, the cleaning frequency is too high, and the cleaning piece is located outside the outdoor unit. Once the cleaning piece is stuck by foreign matters, it will directly affect the rotation of the fan blade, and then affect the operation of the entire air conditioner, causing unnecessary faults. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model provides an automatic cleaning device for air conditioner outdoor unit, which sets a new type of cleaning device, can automatically clean the air conditioner outdoor unit from the inside, has simple and reliable structure, and good cleaning effect.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows:

[0006] An automatic cleaning device for air conditioner outdoor unit, which comprises an outdoor unit box body and a heat dissipation fan device, an installation panel is arranged on the air outlet direction of the heat dissipation fan device, a filter screen installation ring groove is opened on the installation panel, a protective filter screen is installed in the filter screen installation ring groove, a rotating installation shaft sleeve concentric with the filter screen installation ring groove is arranged on the inner side surface of the installation panel, a cleaning support device is rotatably connected in the rotating installation shaft sleeve, a brush device is arranged on the cleaning support device, the brush device is located between the heat dissipation fan device and the protective filter screen, and the brush device is in contact with the inner side surface of the protective filter screen.

[0007] As a further arrangement of the above-mentioned scheme, the rotating mounting shaft sleeve is provided with a driving gear wheel rotatably connected to the mounting panel, and part of the transmission teeth of the driving gear wheel penetrates into the rotating mounting shaft sleeve, and a micro motor device is connected to the driving gear wheel.

[0008] As a further arrangement of the above-mentioned scheme, the cleaning support device comprises a mounting ring, a tooth groove is formed on the outer cylindrical surface of the mounting ring, the tooth groove is in meshing connection with the driving gear wheel, and a plurality of circumferentially distributed rolling balls are rotatably connected to the two side surfaces of the mounting ring symmetrically, one side of the rolling balls is in rolling contact with the rotating mounting shaft sleeve, and the other side of the rolling balls is in rolling contact with the protective filter screen.

[0009] As a further arrangement of the above-mentioned scheme, a plurality of radially staggered support plates are arranged in the mounting ring, a sliding groove is formed on the side surface of the support plate close to the protective filter screen, and an adjusting screw hole penetrating through the center of the sliding groove is formed.

[0010] As a further arrangement of the above-mentioned scheme, the brush device comprises a brush mounting strip, the brush mounting strip is slidingly mounted in the sliding groove, a plurality of uniformly distributed bristles are arranged on one side surface of the brush mounting strip, a stud is rotatably connected to the center of the other side surface of the brush mounting strip, a knob is arranged on the outer end of the stud, and the stud is in transmission connection with the adjusting screw hole.

[0011] The utility model has the advantages of the following beneficial effects:

[0012] By arranging the filter screen mounting ring groove and the rotating mounting shaft sleeve on the mounting panel, the brush device is fixed on the cleaning support device, the knob drives the stud to rotate, the stud drives the brush mounting strip to move in the sliding groove, so that the length of the bristles extending outward is changed, the contact pressure of the brush device and the protective filter screen is adjusted, the cleaning effect is ensured, and the brush device is convenient to disassemble; the cleaning support device is rotatably mounted in the rotating mounting shaft sleeve, and the protective filter screen is fixedly mounted in the filter screen mounting ring groove, at this time, the outer edge of the protective filter screen abuts against the cleaning support device, the inner side screen surface of the protective filter screen is in contact with the bristles, when cleaning is needed, the micro motor device is started to drive the driving gear wheel to rotate, the driving gear wheel drives the cleaning support device to rotate, the cleaning support device drives the brush device to move circumferentially on the protective filter screen, automatic cleaning is realized from the inner side of the protective filter screen, the structure is simple and reliable, and the cleaning effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a sectional view of the utility model;

[0014] Figure 2 is a front view of the mounting panel of the utility model;

[0015] Figure 3 is a rear view of the mounting panel of the utility model;

[0016] Figure 4It is the cleaning mechanism schematic view of the utility model;

[0017] Figure 5 It is the cleaning support device schematic view of the utility model;

[0018] Figure 6 It is the brush device schematic view of the utility model.

[0019] 1, outer machine box body;2, heat dissipation fan device;3, installation panel;4, protective filter screen;5, cleaning support device;6, brush device;301, filter screen installation ring groove;302, rotary installation shaft sleeve;303, drive gear;304, micro motor device;501, installation ring;5011, tooth slot;5012, ball;502, support plate;5021, sliding groove;5022, adjusting screw hole;601, brush installation strip;6011, brush hair;602, stud;603, knob. DETAILED DESCRIPTION

[0020] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0021] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings Figures 1-6 and in conjunction with the embodiments.

[0022] As Figure 1 , Figure 2 shown, an automatic cleaning device of air conditioner outer machine, including outer machine box body 1 and heat dissipation fan device 2, heat dissipation fan device 2 out wind direction is provided with installation panel 3, and installation panel 3 is opened with filter screen installation ring groove 301, and protective filter screen 4 is installed in filter screen installation ring groove 301, and the inner side of installation panel 3 is provided with rotary installation shaft sleeve 302 concentric with filter screen installation ring groove 301, and cleaning support device 5 is rotatably connected in rotary installation shaft sleeve 302, and brush device 6 is arranged on cleaning support device 5, and brush device 6 is located between heat dissipation fan device 2 and protective filter screen 4, and brush device 6 is in contact with the inner side of protective filter screen 4.

[0023] As Figure 3As shown, the rotating mounting sleeve 302 is provided with a driving gear 303 rotatably connected to the mounting panel 3, and part of the transmission teeth of the driving gear 303 penetrates into the rotating mounting sleeve 302, and the driving gear 303 is connected with a micro motor device 304.

[0024] As shown in the drawings, Figure 4 , Figure 5 As shown, the cleaning support device 5 comprises a mounting ring 501, a tooth groove 5011 is formed in the outer cylindrical surface of the mounting ring 501, the tooth groove 5011 is engagedly connected with the driving gear 303, and the mounting ring 501 is rotatably connected with circumferentially distributed ball bearings 5012 on the two side surfaces symmetrically, one side of the ball bearings 5012 is in rolling contact with the rotating mounting sleeve 302, and the other side of the ball bearings 5012 is in rolling contact with the protective filter screen 4, and the mounting ring 501 is provided with radially staggered support plates 502, a sliding groove 5021 is formed in the side surface of the support plate 502 close to the protective filter screen 4, an adjusting screw hole 5022 is formed in the center of the sliding groove 5021, the micro motor device 304 drives the driving gear 303 to rotate, and the driving gear 303 drives the mounting ring 501 to rotate through the tooth groove 5011.

[0025] As shown in the drawings, Figure 6 As shown, the brush device 6 comprises a brush mounting strip 601, the brush mounting strip 601 is slidingly mounted in the sliding groove 5021, brush hairs 6011 are uniformly arranged on one side surface of the brush mounting strip 601, a stud 602 is rotatably connected to the center of the other side surface of the brush mounting strip 601, a knob 603 is arranged on the outer end of the stud 602, and the stud 602 is in transmission connection with the adjusting screw hole 5022.

[0026] The working process of the utility model is as follows: the stud 602 is screwed into the adjusting screw hole 5022, the brush mounting strip 601 is pulled into the sliding groove 5021 by rotating the knob 603, the stud 602 drives the brush mounting strip 601 to move in the sliding groove 5021, so as to change the length of the brush hairs 6011 protruding outward, adjust the contact pressure of the brush device 6 and the protective filter screen 4, adjust the resistance of the brush device 6 when moving on the protective filter screen 4, ensure the cleaning effect and facilitate disassembly; the mounting ring 501 is rotatably mounted in the rotating mounting sleeve 302, and the protective filter screen 4 is fixedly mounted in the filter screen mounting ring groove 301, at this time, the outer edge of the protective filter screen 4 abuts against the mounting ring 501, the inner side screen surface of the protective filter screen 4 is in contact with the brush hairs 6011, when cleaning is needed, the micro motor device 304 automatically operates, drives the driving gear 303 to rotate, the driving gear 303 drives the cleaning support device 5 to rotate, the cleaning support device 5 drives the brush device 6 to move circumferentially on the protective filter screen 4, realizes automatic cleaning from the inner side of the protective filter screen 4, and the dust swept down is directly blown out by the cooling fan device 2.

[0027] The basic principle and main features of the present application and the advantages of the present application are shown and described above, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic features of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0028] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. An automatic cleaning device for an air conditioner outdoor unit, comprising an outdoor unit housing and a heat dissipation fan device, a mounting panel being arranged at an air outlet direction of the heat dissipation fan device, characterized in that, The installation panel is provided with a filter installation ring groove, and a protective filter is installed in the filter installation ring groove.

2. The automatic cleaning device of the outdoor unit of an air conditioner according to claim 1, wherein The outer side of the rotating installation shaft sleeve is provided with a driving gear connected to the installation panel, and part of the transmission teeth of the driving gear penetrates into the rotating installation shaft sleeve.

3. The automatic cleaning device of the outdoor unit of an air conditioner according to claim 2, wherein The cleaning support device comprises an installation ring, and the outer cylindrical surface of the installation ring is provided with a gear slot.

4. The automatic cleaning device of the outdoor unit of an air conditioner according to claim 3, wherein The installation ring is provided with radially staggered support plates, and the side of the support plate close to the protective filter is provided with a sliding groove.

5. The automatic cleaning device of the outdoor unit of an air conditioner according to claim 4, wherein The brush device comprises a brush installation strip, and the brush installation strip is slidingly installed in the sliding groove. The other side of the brush installation strip is provided with a screw column, and the outer end of the screw column is provided with a knob. The screw column is in transmission connection with the adjusting screw hole.

Citation Information

Patent Citations

  • Cleaning device for filter screen of air conditioner outdoor unit

    CN214809228U